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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 126 (Engine Mechanical (CUMMINS 5.0L) (1 Of 2)) >> Removal And Installation >> EGR Bypass Tube >> Removal and Installation >> Removal

Removal and Installation: Removal

WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
  • To avoid possible engine and system damage or performance issues:
    • Brush away all dirt and debris from the area prior to opening any fuel, air intake, exhaust, cooling, aftertreatment or other engine system.
    • To avoid contamination, any open engine system ports must be closed immediately with clean care caps or an appropriate covering.
    • Do not allow any debris to fall into the engine.
    • Do not allow any chemical cleaners to enter the engine or any open systems during the cleaning process.
  • Apply penetrating oil to the bolts that mount the EGR bypass tube to the turbocharger housing and to the EGR bypass valve.
  1. Remove the intake manifold. Refer to Removal and Installation .
  2. Remove bolts (A) and remove the cover plate (1) from the intake manifold.
    GNSALBIA1967Z-967Courtesy of NISSAN NORTH AMERICA, INC.
  3. Remove the EGR bracket bolts (A), and the EGR cooler assembly (1) from the intake manifold.
    GNSAWBIA2860Z-860Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Do not reuse the O-rings.
  4. Remove the bolts (A) and then remove the air intake connection (2) from the intake manifold (1).
    GNSALBIA1976Z-976Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Do not reuse the gasket.
  5. Remove the coolant tube (2).
    GNSALBIA1974Z-974Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Do not reuse the O-rings (1).
  6. Remove the bolts (A) and (B) connecting the EGR bypass tube (1) to the EGR bypass valve after removing the air intake connection.
    GNSALBIA1973Z-973Courtesy of NISSAN NORTH AMERICA, INC.
  7. Remove the EGR bypass valve (3) and EGR bypass tube (5) from the air intake connection.
    GNSALBIA1989Z-989Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Do not reuse the gasket (4) or O-rings (1) and (2).